The book begins by introducing readers to the fundamentals of functional programming, including the key concepts of functions, variables, and data structures. Readers will learn how to use these concepts to create clean, reusable code that is easy to understand and maintain.
Throughout the book, the author emphasizes the importance of writing code that is both functional and lightweight. This means avoiding unnecessary complexity and keeping code as simple and readable as possible. The book provides plenty of real-world examples and exercises to help readers develop their skills and master the concepts covered in the book.